<?php

namespace Aws\Api\ErrorParser;

use Aws\Api\Parser\JsonParser;
use Aws\Api\Service;
use Aws\CommandInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Parsers JSON-RPC errors.
 */
class JsonRpcErrorParser extends AbstractErrorParser {
	use JsonParserTrait;

	private $parser;

	public function __construct(Service $api = null, JsonParser $parser = null) {
		parent::__construct($api);
		$this->parser = $parser ?: new JsonParser();
	}

	public function __invoke(
		ResponseInterface $response,
		CommandInterface  $command = null
	) {
		$data = $this->genericHandler($response);

		// Make the casing consistent across services.
		if($data['parsed']) {
			$data['parsed'] = array_change_key_case($data['parsed']);
		}

		if(isset($data['parsed']['__type'])) {
			if(!isset($data['code'])) {
				$parts = explode('#', $data['parsed']['__type']);
				$data['code'] = isset($parts[1]) ? $parts[1] : $parts[0];
			}
			$data['message'] = isset($data['parsed']['message'])
				? $data['parsed']['message']
				: null;
		}

		$this->populateShape($data, $response, $command);

		return $data;
	}
}
